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发明名称
FREQUENCY MEASURING APPARATUS
摘要
申请公布号
CA563095(A)
申请公布日期
1958.09.09
申请号
CAD563095
申请日期
申请人
COLLINS RADIO COMPANY
发明人
ROBERT L. CAMPBELL
分类号
主分类号
代理机构
代理人
主权项
地址
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